Scala Developer
⭐ - Featured Role | Apply direct with Data Freelance Hub
This role is for a Scala Developer on a contract basis, offering a competitive pay rate. Key skills include Scala, Java, Apache Kafka, and API development. Experience with microservices, Spring Boot, and CI/CD practices is required.
🌎 - Country
United States
💱 - Currency
$ USD
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💰 - Day rate
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🗓️ - Date discovered
August 6, 2025
🕒 - Project duration
Unknown
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🏝️ - Location type
Unknown
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📄 - Contract type
Unknown
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🔒 - Security clearance
Unknown
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📍 - Location detailed
Denver, CO
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🧠 - Skills detailed
#API (Application Programming Interface) #GraphQL #Istio #Java #Apache Kafka #Programming #Kafka (Apache Kafka) #Security #Cloud #React #Docker #Scala #Automation #Microservices #Integration Testing #GIT #Kubernetes #Spring Boot
Role description
Role: Scala Developer
• Design and develop RESTful and GraphQL APIs using Java and Scala
• Build event-driven services and microservices that produce and consume messages via Apache Kafka
• Implement backend systems using frameworks like Spring Boot, Akka HTTP, or Play
• Ensure reliable, fault-tolerant Kafka integration, including schema validation, error handling, and retries
• Collaborate with frontend and platform teams to define clear API contracts and integration patterns
• Contribute to code quality, testing, and CI/CD automation
• Monitor, troubleshoot, and optimize performance of services and API endpoints
• Strong programming experience with Scala (Akka, Play, or Cats/Scalaz) and Java (8+)
• Hands-on experience with Apache Kafka (producer/consumer APIs, Avro/Protobuf, topic design)
• Experience building and consuming RESTful APIs and optionally GraphQL APIs
• Knowledge of functional programming and reactive patterns
• Familiarity with Spring Boot, asynchronous programming, and dependency injection
• Strong unit and integration testing practices
• Comfortable with Git, CI/CD pipelines, and API security (OAuth2, JWT)
Nice to Have
• Kafka Streams or Akka Streams experience
• Exposure to Kafka Connect, Schema Registry, and message validation patterns
• Knowledge of Docker, Kubernetes, and cloud-native app development
• Familiarity with API gateways (e.g., Kong, Apigee) or service mesh (e.g., Istio)
Role: Scala Developer
• Design and develop RESTful and GraphQL APIs using Java and Scala
• Build event-driven services and microservices that produce and consume messages via Apache Kafka
• Implement backend systems using frameworks like Spring Boot, Akka HTTP, or Play
• Ensure reliable, fault-tolerant Kafka integration, including schema validation, error handling, and retries
• Collaborate with frontend and platform teams to define clear API contracts and integration patterns
• Contribute to code quality, testing, and CI/CD automation
• Monitor, troubleshoot, and optimize performance of services and API endpoints
• Strong programming experience with Scala (Akka, Play, or Cats/Scalaz) and Java (8+)
• Hands-on experience with Apache Kafka (producer/consumer APIs, Avro/Protobuf, topic design)
• Experience building and consuming RESTful APIs and optionally GraphQL APIs
• Knowledge of functional programming and reactive patterns
• Familiarity with Spring Boot, asynchronous programming, and dependency injection
• Strong unit and integration testing practices
• Comfortable with Git, CI/CD pipelines, and API security (OAuth2, JWT)
Nice to Have
• Kafka Streams or Akka Streams experience
• Exposure to Kafka Connect, Schema Registry, and message validation patterns
• Knowledge of Docker, Kubernetes, and cloud-native app development
• Familiarity with API gateways (e.g., Kong, Apigee) or service mesh (e.g., Istio)
